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    • 7. 发明申请
    • Mechanism to exchange primary data stream of a file
    • 交换文件的主数据流的机制
    • US20070214190A1
    • 2007-09-13
    • US11356940
    • 2006-02-17
    • Mahesh SreenivasArkadi BrjazovskiStefan SteinerRohan KumarSameet Agarwal
    • Mahesh SreenivasArkadi BrjazovskiStefan SteinerRohan KumarSameet Agarwal
    • G06F17/30
    • G06F17/30067Y10S707/99953Y10S707/99954
    • A file stream exchange system and method are provided. The system can be employed, for example, with a storage system that supports transactions as a primary mechanism and employs a rich type system. The system provides a mechanism for the storage system to provide reliable updates to file streams while preserving the common criteria for security. The system employs a unique way of remapping the file-streams associated with the file-backed items that eliminates the need for copying over basic attributes, security information and timestamps etc. Significantly, the system does not rename the files involved in the operation nor does the system rely on attribute tunneling to copy over any subset of attributes for the completion of the task. The system includes a replace stream component which is a kernel mode mechanism that allows transactional exchange of stream data of two file-backed items without violating the common criteria for security.
    • 提供文件流交换系统和方法。 该系统可以例如使用支持事务作为主要机制的存储系统并且使用富型系统。 该系统为存储系统提供一种机制,为文件流提供可靠的更新,同时保留了用于安全性的通用标准。 系统采用独特的方式重新映射与文件支持的项目相关联的文件流,无需复制基本属性,安全信息和时间戳等。重要的是,系统不重命名操作中涉及的文件,也不会 系统依靠属性隧道来复制任务的任何子集,以完成任务。 该系统包括一个替代流组件,它是一种内核模式机制,允许两个文件支持项目的流数据的事务交换,而不会违反通用的安全标准。